EPA Air · stack tests by state, industry and year
Oil and gas extraction (NAICS 2111): stack tests in Oklahoma, 2026
- 9Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Oklahoma source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in Oklahoma, other years
Other industries in Oklahoma, 2026
Air-emissions stack tests recorded in Oklahoma, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-25 | ET GATHERING PROCESSING LLC / TUSSY COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pending | State |
| 2026-06-24 | ENLINK MIDSTREAM SERVICES LLC / SAPPHIRE COMPRESSOR STATION | CALUMET, Canadian, OK | Pending | State |
| 2026-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION | WAUKOMIS, Garfield, OK | Pass | State |
| 2026-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION | WAUKOMIS, Garfield, OK | Pass | State |
| 2026-04-28 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pending | State |
| 2026-04-27 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pending | State |
| 2026-04-08 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2026-03-12 | SUPERIOR MIDSTREAM LLC / REEDING COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2026-01-30 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.